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My tapered rollers have been in for 10 years. I haven't touched them in 3 1/2 years since I installed my els. I pulled the rear when I had the nuts off to install some parts for that and in the prior 6 1/2 years hadn't done a thing. They're fine and still as smooth as the day I installed them and maybe even smoother. ?The preload has never needed adjustment after a couple days of getting it set and my lathe will hold less than .001" over 12 inches. We're talking about bearings meant for vehicle use. Carrying 2 tons and absorbing constant impacts and lasting tens of thousands of miles. I packed mine with synthetic bearing grease. It's still there. Our little lathes turn a couple thousand rpm tops and how often are you running it wide open? ?And how long are you running it? ?We're not talking the equivalent of a hundred plus mile a day, five day a week commute here. We're maybe covering the same as a hundred miles a year, maybe. ?And at a lot less load. The angular contact are probably easier to install from what I've read as there's no need to sand the spindle for the slip fit tapered rollers require but either will last a lifetime with extremely minimal if any required maintenance if property installed.?
On Feb 7, 2025 at 11:04?PM -0500, Jon Rus via groups.io <byghtn5@...>, wrote:
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